104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
/* PipeWire */
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/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
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/* SPDX-License-Identifier: MIT */
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#ifndef PIPEWIRE_FACTORY_H
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#define PIPEWIRE_FACTORY_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdarg.h>
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#include <errno.h>
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#include <spa/utils/defs.h>
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#include <spa/utils/hook.h>
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#include <pipewire/proxy.h>
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/** \defgroup pw_factory Factory
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* Factory interface
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*/
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/**
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* \addtogroup pw_factory
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* \{
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*/
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#define PW_TYPE_INTERFACE_Factory PW_TYPE_INFO_INTERFACE_BASE "Factory"
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#define PW_VERSION_FACTORY 3
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struct pw_factory;
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/** The factory information. Extra information can be added in later versions */
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struct pw_factory_info {
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uint32_t id; /**< id of the global */
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const char *name; /**< name the factory */
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const char *type; /**< type of the objects created by this factory */
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uint32_t version; /**< version of the objects */
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#define PW_FACTORY_CHANGE_MASK_PROPS (1 << 0)
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#define PW_FACTORY_CHANGE_MASK_ALL ((1 << 1)-1)
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uint64_t change_mask; /**< bitfield of changed fields since last call */
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struct spa_dict *props; /**< the properties of the factory */
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};
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struct pw_factory_info *
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pw_factory_info_update(struct pw_factory_info *info,
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const struct pw_factory_info *update);
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struct pw_factory_info *
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pw_factory_info_merge(struct pw_factory_info *info,
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const struct pw_factory_info *update, bool reset);
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void
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pw_factory_info_free(struct pw_factory_info *info);
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#define PW_FACTORY_EVENT_INFO 0
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#define PW_FACTORY_EVENT_NUM 1
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/** Factory events */
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struct pw_factory_events {
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#define PW_VERSION_FACTORY_EVENTS 0
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uint32_t version;
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/**
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* Notify factory info
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*
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* \param info info about the factory
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*/
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void (*info) (void *data, const struct pw_factory_info *info);
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};
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#define PW_FACTORY_METHOD_ADD_LISTENER 0
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#define PW_FACTORY_METHOD_NUM 1
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/** Factory methods */
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struct pw_factory_methods {
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#define PW_VERSION_FACTORY_METHODS 0
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uint32_t version;
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int (*add_listener) (void *object,
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struct spa_hook *listener,
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const struct pw_factory_events *events,
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void *data);
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};
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#define pw_factory_method(o,method,version,...) \
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({ \
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int _res = -ENOTSUP; \
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spa_interface_call_res((struct spa_interface*)o, \
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struct pw_factory_methods, _res, \
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method, version, ##__VA_ARGS__); \
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_res; \
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})
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#define pw_factory_add_listener(c,...) pw_factory_method(c,add_listener,0,__VA_ARGS__)
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/**
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* \}
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*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* PIPEWIRE_FACTORY_H */
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